Snapshot: Canada and world this week in pictures

Calgary Sun's photographer Al Charest, in Sochi for the Olympics, snapped a winning photo of Canada gold after the women's hockey team came from behind to beat the U.S. 3-2 in overtime on Thursday, in a game for the ages. Here, Haley Irwin, Hayley Wickenheiser and Natalie Spooner celebrate their victory.

A polar bear cub peeks out through the fence in its enclosure at the Toronto Zoo. (QMI AGENCY/Jack Boland)

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Canada's Marie-Philip Poulin, front, celebrates her game-tying goal against the U.S. during the women's ice hockey gold medal game at the Bolshoy Ice Dome during the Sochi 2014 Winter Olympics on February 20, 2014. (QMI AGENCY/Ben Pelosse)

London Lightning's Garrett Williamson makes a spectacular dunk in the first half of their game against the Brampton A's in London, Ont., on February 17, 2014. (QMI AGENCY/Derek Ruttan)

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Gordon and Annette Ball have been making an outdoor ice rink in their backyard since 1989. Over the years they have expanded it to include an outdoor warming area, lights, side boards and boxes of extra skates, so everyone can get on the ice. (QMI AGENCY/Julia McKay)

Men's ice hockey goaltender Jonathan Quick of the U.S. stands at his net during a team practice at the 2014 Sochi Winter Olympics on February 20, 2014. (REUTERS/Brian Snyder)

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A Canada fan is seen with the national symbol of the maple leaf on her cheeks ahead of Canada's women's ice hockey gold medal game against the U.S. at the Sochi 2014 Winter Olympic Games on February 20, 2014. (REUTERS/Laszlo Balogh)

An anti-government protester holds a Ukranian flag as he advances through burning barricades in Kiev's Independence Square on February 20, 2014. (REUTERS/Yannis Behrakis)

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Members of Russian punk band Pussy Riot speak to journalists during the 2014 Sochi Winter Olympics in Adler on February 20, 2014. The band was supposed to hold a news conference at a hotel but were refused at the last minute. (REUTERS/Eric Gaillard)

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Gondolas are seen amidst the fog ahead of the men's freestyle skiing halfpipe competition at the Sochi 2014 Winter Olympics in Rosa Khutor on February 18, 2014. (REUTERS/Dylan Martinez)

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An illustration photo shows a man holding a smart phone with a Facebook logo as its screen wallpaper in front of a WhatsApp messenger logo, in Zenica on February 20, 2014. Facebook Inc. will buy fast-growing mobile-messaging startup WhatsApp for $19 billion in cash and stock in a landmark deal that places the world's largest social network closer to the heart of mobile communications and may bring younger users into the fold. (REUTERS/Dado Ruvic)

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The moon is seen over the mountain ahead of the women's parallel giant slalom competition at the 2014 Sochi Winter Olympic Games in Rosa Khutor on February 19, 2014. (REUTERS/Dylan Martinez)